Add command state

app/classes/state/os/CommandState.js

@@ -0,0 +1,26 @@
+const State = require('../State')
+
+class CommandState extends State {
+    static get services() {
+        return [...super.services, 'output']
+    }
+
+    async apply() {
+        const cmd = `${this._config.cmd}`
+        await this._host.run(cmd)
+    }
+
+    async check() {
+        return false
+    }
+
+    async reverse() {
+        if ( this._config.reverse ) {
+            const cmd = `${this._config.reverse}`
+            await this._host.run(cmd)
+        }
+    }
+
+}
+
+module.exports = exports = CommandState